Authors & Presenters

Paul C. Farmer is a practitioner who has worked at the classroom, building, and central office levels. As principal of Joyce Kilmer Middle School, Paul was one of the first principals in Fairfax County, Virginia, to build a PLC.

William M. Ferriter uses his 29 years of experience as a full-time classroom teacher to design professional development sessions for educators on topics ranging from establishing professional learning communities and effective systems of intervention to integrating meaningful differentiation, extension, and student-involved assessment opportunities into classroom instruction.

Heather Friziellie is currently superintendent of schools for Fox Lake Grade School District 114, located in the suburbs northwest of Chicago. She previously served as both an elementary principal and a middle school principal.

Doug Gee is the superintendent of Clear Lake School District in Iowa. He has been an educator for over thirty years, also serving as principal, teacher, and coach in various size districts.

Troy Gobble is principal of Adlai E. Stevenson High School in Illinois. He previously served as assistant principal for teaching and learning at Stevenson.

Paul Goldberg, EdD, is superintendent at East Prairie School District in Skokie, IL. He has led diverse, low-income schools to high levels of success.

Brian Greeney, EdD, serves as the chief of school in a public school district in Texas. His focus is on helping secondary schools use the PLC process to grow their student and teacher efficacy.

Mike Hagadone, MEd, served as the assistant superintendent of White River School District in Washington State until his retirement in 2020. With 40 years of experience, he is a former teacher, assistant principal, principal, and director of secondary education.

John Hannigan, EdD, is an author and speaker who has served in education for over 20 years as a teacher, instructional coach, principal, and county office leadership coach. His expertise includes RTI at Work™, PLC at Work®, MTSS, PBIS, restorative practices, social-emotional learning, and more.

Aaron Hansen is a nationally recognized presenter, author and coach who empowers teachers and leaders to transform their schools.